A uniform ladder of weight 200 N and length 10 m leans again…

A uniform ladder of weight 200 N and length 10 m leans against a perfectly smooth wall to make an angle with the horizontal of 50 degrees. A firefighter of weight 600 N climbs a distance x up (along) the ladder. The coefficient of static friction between the ladder and the floor is 0.50. What is the maximum value of x for which the ladder will not slip?

An unlevered firm has an enterprise value of $500 million. A…

An unlevered firm has an enterprise value of $500 million. An otherwise identical but levered firm has $80 million in debt and the corporate tax rate is 35%. No growth is expected. Assuming an environment with corporate taxes, but no bankruptcy costs, what is the enterprise value of the levered firm?